18GD6
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BrandTung-Sol
ClassPentode
Base7 Pin Miniature
Filament18V @ 100mA
Construction
Primary TypeSharp-cutoff Pentode
EnvelopeT-5 1/2
Sections1
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation2.5 W
Grid 2 Voltage150 V
H-C Voltage100 V
Audio Performance
Key Features
- Sharp-cutoff pentode
- 100mA heater
- Designed for RF and IF applications in AC/DC type radio receivers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF/IF Amplifier | 100V | 4300 | 500000 | - | 5mA |
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